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Step 8Create the Sensor Probe
Building a moisture sensing circuit is about as easy as it gets.
First take two long wires and solder them to two conductive leads (i used two small nails)
Next, make your own sugru (http://www.instructables.com/id/How-To-Make-Your-Own-Sugru-Substitute/), and attach the nails together at the same width that your nails were when you created the markers.
Don't make your attachment bulb as large as mine (it's kinda heavy).
Fork the wire at the end of the other probe and solder on a 10k resistor.
Bundle the long loose wires in a way that is nice (electrical tape or heat shrink tubing).
Attach to the appropriate ports on your Arduino.
First take two long wires and solder them to two conductive leads (i used two small nails)
Next, make your own sugru (http://www.instructables.com/id/How-To-Make-Your-Own-Sugru-Substitute/), and attach the nails together at the same width that your nails were when you created the markers.
Don't make your attachment bulb as large as mine (it's kinda heavy).
Fork the wire at the end of the other probe and solder on a 10k resistor.
Bundle the long loose wires in a way that is nice (electrical tape or heat shrink tubing).
Attach to the appropriate ports on your Arduino.
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